| Citation | Caetano, C.H.S., V. Scarabino and R.S. Absalao, 2006 Scaphopod (Mollusca) from the Brazilian continental shelf and upper slope (13° to 21°S) with description of two new species of the genus Cadulus Philippi, 1844. Zootaxa 1267:1-47. |
| Ref. | 3441 Caetano, C.H.S., V. Scarabino and R.S. Absalao, 2006 |
| Page | 40-41 |
| Named Used as Valid | Gadila simpsoni |
| Locality | |
| Distribution | Antigua, Porto Rico, Cuba, Brazil. |